Cov lus piav qhia luv luv:
Cov lus qhia tshwj xeeb:
Lub rooj ntev zaum laum, tes tho, tshuab cuab tam nrog drilling muaj nuj nqi (tsis suav cov kev cuam tshuam laum)
(Tsis txhob siv rau lub khob tempered. Ntxiv dej kom txias thaum ua haujlwm.)
Qhov loj | DRILLING qhov tob (hli) | Shank Txoj Kab (hli) | Tag nrho ntev (hli) |
6mm | 40 | 6 | 75 |
8 hli | 50 | 8 | 75 |
10 hli | 50 | 10 | 75 |
12mm | 50 | 10 | 75 |
14mm | 58 | 10 | 83 |
16 hli | 58 | 10 | 83 |
18 hli | 58 | 10 | 83 |
20mm | 58 | 10 | 83 |
22 hli | 58 | 10 | 83 |
25mm | 58 | 10 | 83 |
28mm | 58 | 10 | 83 |
30mm | 58 | 10 | 83 |
32mm | 58 | 10 | 83 |
35 hli | 58 | 10 | 83 |
40 hli | 58 | 10 | 83 |
45 hli | 58 | 10 | 83 |
50 hli | 58 | 10 | 83 |
55 hli | 58 | 10 | 83 |
60mm | 58 | 10 | 83 |
65 hli | 58 | 10 | 83 |
70 hli | 58 | 10 | 83 |
75 hli | 58 | 10 | 83 |
80mm | 58 | 10 | 83 |
Nta: